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2022 Changelog
ClickHouse release v21.3.17.2-lts FIXME as compared to v21.3.16.5-lts
Bug Fix
- Backported in #28647: Fix a rare bug in
DROP PART
which can lead to the errorUnexpected merged part intersects drop range
. #27807 (alesapin).
Bug Fix (user-visible misbehaviour in official stable release)
- Backported in #28569: Fix bug which can lead to error
Existing table metadata in ZooKeeper differs in sorting key expression.
after alter ofReplicatedVersionedCollapsingMergeTree
. Fixes #28515. #28528 (alesapin). - Backported in #28857: Fix benign race condition in ReplicatedMergeTreeQueue. Shouldn't be visible for user, but can lead to subtle bugs. #28734 (alesapin).
- Backported in #28995: Fix reading of subcolumns from compact parts. #28873 (Anton Popov).
- Backported in #28929: Fix higher-order array functions (
SIGSEGV
forarrayCompact
/ILLEGAL_COLUMN
forarrayDifference
/arrayCumSumNonNegative
) with consts. #28904 (Azat Khuzhin).